package cn.ms.gateway.netty;

import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

public class EchoClientHandler extends ChannelInboundHandlerAdapter {

	private int counter;

	static final String ECHO_REQ = "Hello world!";

	@Override
	public void channelActive(ChannelHandlerContext ctx) {
		for(int i=0;i<10;i++){
			ctx.writeAndFlush(Unpooled.copiedBuffer(ECHO_REQ.getBytes()));
		}
	}

	@Override
	public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
		System.out.println("This is " + ++counter + " times receive server : [" + msg + "]");
	}

	@Override
	public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
		ctx.flush();
	}

	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
		cause.printStackTrace();
		ctx.close();
	}
}